Offshore floating vessel and a method of operating the same
US10301152B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 28, 2017 |
| Grant date | May 28, 2019 |
| Priority date | — |
| Expiry date | Aug 4, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B19/09
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
An offshore floating vessel includes a hoisting system including a drive for moving connecting device and emergency brakes to inhibit motion of the connecting device; wherein the hoisting system is to be operated at least in a hoisting mode and in an active heave compensation mode; wherein hoisting system is to perform an active heave compensation when operated in the active heave compensation mode and to operate without active heave compensation when operated in the hoisting mode; wherein the emergency brakes are operable in a normally-energized mode including a de-energized state where the emergency brakes engage so as to inhibit motion of the connecting device relative to the floating vessel; wherein each emergency brake of the plurality of hydraulic emergency brakes has associated with it a separate accumulator reservoir.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.